The Ultimate 50 PT sites are pull-thru sites that can accommodate an RV or trailer of any size! (no tents allowed on these sites) The finest sites at Jellystone Park™ Niagara, they offer 15, 30 and 50 amp services with city water and sewer hook-ups. With plenty of room to spread out, they are located in a preferred area of the park. There is a concrete pad with picnic table and fire ring on each site.